发明授权
- 专利标题： Symbol illumination apparatus and video display apparatus
- 专利标题（中）： 符号照明装置和视频显示装置
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申请号： US11177357申请日： 2005-07-11
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公开(公告)号： US07513429B2公开(公告)日： 2009-04-07
- 发明人: Hitoshi Takahashi , Hiroyoshi Maeda , Hideaki Yokka , Eiji Amaya
- 申请人： Hitoshi Takahashi , Hiroyoshi Maeda , Hideaki Yokka , Eiji Amaya
- 申请人地址： JP Tokyo
- 专利权人： Sony Corporation
- 当前专利权人： Sony Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
- 优先权： JPP2004-205208 20040712
- 主分类号： G06K7/10
- IPC分类号： G06K7/10
摘要：
The present invention provides a symbol illumination apparatus configured to have a symbol such as characters printed on a front surface of a transparent member, and to allow light from a plurality of light sources to pass through an interior of the transparent member from one side of the transparent member, to illuminate the symbol. A lens sheet and a diffused sheet are inserted between the transparent member and the plurality of light sources in the symbol illumination apparatus. This configuration prevents a plurality of light rays from being seen on the bottom of the transparent member.